PROFESSIONAL SUMMARY:

• 12 plus years of IT experience in Java, J2EE technologies involved in Web & Enterprise development, JMS, Web Sphere MQ, Enterprise Application Integration and SOA .
• 3 plus years of experience in developing and deploying applications in AWS Cloud.
• Key participant in all phases of software development life cycle with Analysis, Design, Development, Implementation, Integration, Testing, Debugging, Production, Maintenance and Support of Software Applications in client server environment and Web based applications.
• Experience in Core Java, JSP, SERVLETS, Java Beans, J2EE, Facets, Struts/MVC, JSF, Spring/MVC, Spring - WS, EJB, RMI/IIOP, Web Services, Hibernate, SQL/RDBMS, Java Mail, JMS, JDBC, OC4J, XML, XSL, JNDI, SQL Server, DB2, Oracle and UNIX Shell Scripting.
• 2 + years of experience in AWS using Ec2, S3, Redshift, CFT, Cloud Watch, SQS and SNS .
• Experience in Big data stack like Apache Spark, H20, Elastic Search, YARN, Hive, Storm and Kibana.
• Experience working with Automated data flow tools like Apache Nifi and Snap Logic
• Expertise in NoSql databases like HBase, Cassandra and MongoDB.
• Experienced as GUI Developer using HTML, HTML5, CSS, CSS3, JavaScript, DHTML, DOM, XHTML, jQuery, AngularJS, Underscore, Bootstrap, Node.js, React . js and Ajax.
• Used J2EE design patterns like Singleton Pattern, DAO, Service Locator, DTO, VO and Session Facade.
• Expertise in using J2EE Compliant application servers like IBM WebSphere, WebLogic server and JBOSS.
• Working experience using SOAP, REST, WSDL, ESB, UDDI, XML, XSL, XQuery, XPath, XSLT.
• Experienced in EAI solutions using MQ Series, Message broker (WBIMB) with Legacy Systems.
• Experience with UML for Use Cases, Activity and Sequence Diagrams using Microsoft Visio and Enterprise Architect.
• Experience with version control tools like RTC, Clear Case, GIT, SVN, PVCS, Win CVS.
• Worked with Java Persistence API along with EJB 2.0/3.0 in RDBMS for persistence.
• Used JUNIT and Mockitto for Unit, System and Integration testing.
• Experience working with build tools like Ant, Maven and used Jenkins for CICD process.
• Experience in profiling tools like JProfiler, JMeter and App Dynamics .
• Experienced writing SQL queries, PL/SQL, Stored Procedures in Oracle, DB2, Informix, SQL Server.

TECHNICAL SKILLS:

Programming: Java, J2EE, JMS, EJB, JNDI, JDBC, JTA, JPA, Java Script and HTML/DHTML

XML Technologies: JAXP, JAXB, XML, XSLT, DTD.

Design Methodologies: UML, Rational Rose, Java and J2EE Design Patterns.

Application Servers: Web Sphere 6.0/7.0/8.0, Web Logic 9.x/10.x/11.x, WPS and JBOSS

SOA/EAI/Middleware: SOAP, WSDL, UDDI, JAX-RPC, BPEL, Oracle SOA Suite 10/11g, OracleBPEL, Nifi, KAFKA and MQ

Frameworks: JSF, Struts 2.0/1.x, Spring 2.5, Hibernate 3.x and MyBatis 3.x

Scripting Libraries: JQuery, Angular.js, node.js and Express.js.

Databases: Oracle 8i/9i/10g, DB2, HBase, Cassandra, MongoDB, RedShift, SQL Server.

Other Tools/IDEs: Eclipse, WID, RAD 7.5/8, WebLogic Workshop, JDeveloper and Net Beans.

Web services: SOAP, WSDL, UDDI and REST Web Services.

Version Control: PVCS, CVS (Win CVS), RTC (IBM), Rational Clear Case (IBM) and GIT.

Build tools: Apache Ant and Maven

Operating Systems: UNIX, Linux, Windows NT/2000/XP/2003

Cloud: Amazon Web Services

Big Data/Hadoop: Spark, Elastic Search, Kafka, Hbase, H2O, Cascading, YARN, Hive and Storm

PROFESSIONAL EXPERIENCE:

Sr. DevOps/ Data Engineer

Confidential

Responsibilities:

• Adapted Agile Scrum Methodology for SDLC.
• Setup platform in AWS using Cloud formation templates (CFT) for development.
• Utilized services like EC2, CFT, S3, IAM, VPC, CFT, SQS, SNS and Cloud Watch
• Developed and Consumed REST/SOAP based Web Services while integrating data platform.
• Retrieved data from multiple platforms like TERADATA, Oracle, HPSM using Nifi and Snaplogic.
• Used KAFKA and MQ as data source for Spark streaming to process data, join streams and to run adhoc queries for interactive dashboards.
• Ingested Data into Elastic Search Nodes from Spark creating Indexes.
• Used Kibana to create interactive Dashboards for the business users.
• Used React.js for the view portion for couple of Incident Dashboards.
• Involved in load, parse and ingest data into Sparkling Water from S3 using Nifi and Snaplogic.
• Used pyspark modules to create Temp data tables on data frames for in memory for real time analytics on EC2 cluster nodes.
• Developed Data flows and Snaps using Nifi and Snaplogic for overall data movement into S3 and Hadoop.
• Involved in Data migration into RedShift on Cloud.
• Wrote Python scripts to retrieve Network/Sys log data from CISCO/VMWare and push the data into HBase and Cassandra for graphic analysis using Neo4j.
• Worked with Git was used as the version control system.
• Used Chef for configuring and managing nodes on EC2 cluster.
• Setup and configure Jenkins for CICD process.

Environment: Java 1.8, J2EE, AWS, Apache Spark, H2o, Snap Logic, HBase, Cassandra, RedShift, Python, Scala, Kafka, Apache Nifi, Sparkling Water, H2o, Angular.js, React.js, PySpark, DB2, MongoDB, Hadoop, Ant/Maven, Docker, XML, SOAP, WSDL, SOA, Kibana, Elastic Search, KAFKA, RAD 8.0, WebSphere 8.0, UNIX, GIT, Ansible and SONAR.

Sr. SOA/Web Developer

Confidential

Responsibilities:

• Involved in study of User Requirement Specification and worked in Agile Scrum Methodology.
• Developed admin module for Entitlements of Dashboard access to the Business Users using Angular, Underscore.js, Backbone.js, Node.js and REST Api.
• Used Bootstrap's for responsive CSS adjusts to Desktops, Tablets, and Mobile phones.
• The Angular JavaScript (Angular JS) framework for building web applications is highly efficient to using Restful services
• Developed front end/user interface by extensively using HTML, CSS, JSP, JSTL, AJAX, JQuery, JavaScript, JSON and XML.
• Implemented logging functionality using Log4J and SLF4J.
• Consumed REST/SOAP Web Services and used Jackson/JAX-B for parsing them.
• Wrote JUnit test cases for asserting functions and SoapUI for testing Web Services.
• SVN was used as the version control system.
• Involved in Test Driven development using Mockito Mock Testing Framework.
• Worked on code quality using SONAR.

Environment: Java 1.7, J2EE, EJB, Java Script, JQuery, Angular.js, XQuery, DB2, Ant/Maven, XML, SOAP, WSDL, SOA, RAD 8.0, WebSphere7.0, UNIX, SVN, SONAR, AWS and App Dynamics.

Sr. Web Developer

Confidential

Responsibilities:

• Participated in design meetings and created design artifacts using Microsoft Visio.
• Designed and developed screens for the users to define Customized reconciliation file formats.
• Used JQuery, AJAX, HTML and JSP for creating Screens and loading data dynamically.
• Developing GUI for Admin module using Angular.js and REST API.
• Rendered the view using Angular rendering directives, Angular Forms, HTML5.
• Used Bootstrap's for responsive CSS adjusts to Desktops, Tablets, and Mobile phones.
• Used bootstrap to reduce image size within web pages.
• Used Node.js to drive the design, user-facing features and core back-end functionality.
• Implemented business logic using Session EJBs.
• Used Hibernate and HQL in data access layer.
• Used Spring boot and Spring 4 API for Dependency Injection.
• Implemented MVC by using Struts 2.
• Worked on JAX-RPC based web services and tested them using SOAP-UI.
• Part of analysis Deployed the application in AWS cloud to evaluate the services.
• Used IBM Clear Case source code management system and build tool.
• Worked on UNIX based environments and shell scripting.
• Involved in Test Driven development using Mockito Mock Testing Framework.
• Worked on code quality using SONAR.
• Performed CPU and Memory analysis for all the Web Service calls, JDBC calls using App Dynamics.

Environment: Java 1.6, J2EE, EJB, Java Script, JQuery, Angular.js, XQuery, DB2, Ant/Maven, XML, SOAP, WSDL, SOA, Spring 3.2, Spring boot, AWS, Hibernate 3.6, RAD 8.0, WebSphere7.0, UNIX, SONAR and App Dynamics.

Sr. Web/J2ee developer

Confidential

Responsibilities:

• Involved in the requirements analysis, designing, development, testing and maintenance.
• Used Session and Entity EJBs extensively.
• Coded Message Driven Beans to perform asynchronous processing in the dialer file creation process.
• Configure Queue factories, Queues in Web sphere to interact with IBM MQ queues.
• Worked on JAX-RPC based web services and tested them using SOAP-UI.
• Used Hibernate ORM tool Module to access Oracle Database.
• Used Spring MVC framework to build the web modules.
• Created database objects like tables, views, materialized views, procedures and packages.
• Used Rational Team Concert (RTC) as source code management system and build tool.
• Worked on UNIX based environments and shell scripting.
• Written scripts for deployment and un-deployment of the components into App Server.
• Migrated all ant builds into Maven for all UCRS applications.
• Worked on code quality using SONAR.
• Involved in Test Driven development using JUnit and Mockito Framework.
• Performed Design & Code Reviews of the team members.
• Worked in automating builds with Maven using Jenkins/Hudson for Continuous Integration.

Environment: Java, J2EE, EJB, Shell Script, RAD, DB2/Informix/Sybase, Ant/Maven, XML, SOAP, WSDL, Web services, WebSphere7.0, UNIX, LINUX, IBM RTC, TOAD, JUnit, Mockito, SONAR, AppDynamics.

J2ee/SOA Developer

Confidential

Responsibilities:

• Involved in Analysis of legacy tuxedo system and specifications provided and writing HLD/LLD documents.
• Converted all services as Web Services to Support SOA enabled platform.
• Used MyBatis and Hibernate for persistence layer with Oracle as database.
• Used Struts framework to build the web modules.
• Responsible for designing and developing enterprise applications using Service Oriented Architecture (SOA).
• Developed the JAX-RPC, JAX-WS API for implementing Web Services.
• Installation and Configuration of WAS in Dev and QA environments.
• Improved database performance by using the performance tuning in SQL.
• Create Domain model for the persistence layer with all dependencies.
• Used Spring 3.2 for configuring DAOs and different data sources in the application.
• Involved Unit Testing with JUnit and Integration Testing.
• Worked on UNIX based environments and shell scripting.

Environment: Java, J2EE, EJB, Shell Script, RAD, DB2/Informix/Sybase, Spring 3.2, Hibernate 3.6, Ant/Maven, XML, SOAP, WSDL, Web services, WebSphere7.0, RAD 8.0, UNIX, LINUX, IBM RTC

Sr. Web Developer

Confidential, NJ

Responsibilities:

• Worked with Business Analysts, and System Analysts to understand business requirements.
• Developed the code using Agile Scrum methodology with projects divided into succinct work cadences, known as sprints, which are typically two and three weeks in duration.
• Worked with XML Beans to process XML Transactions.
• Created XML Interfaces for Cloud computing for DNS Servers.
• Designed and Developed Web services using JAX-WS and JAX-RPC.
• Developed Interactive GUI screens using HTML and JSP and data validation using Java Script.
• Developed GUI using JSP, AJAX, JQuery and Servlets and Struts action as controllers.
• Used XQuery for data querying and transformations to handle XML.
• Used Struts 1 (including validation framework) to support the MVC architecture.
• Created dynamic templates, directives, crafting reusable components for DOM manipulation logic.
• Extensively used Hibernate 3.0 in DAO layer to access, update and persist information in the database.
• Used Spring for Dependency Injection of different beans.

Environment: Java 1.5, J2EE, WAS 7.0, Spring 3.0, MyBatis 3.2, Struts MVC, JQuery, XQuery, Spring, Web Services, Eclipse 3.5, CVS 1.11, Microsoft Visio 2007, SQL Server, log4j 1.2, JUnit 4.5, Agile, SCRUM

Sr. Software Developer

Confidential, Hartford, CT

Responsibilities:

• Worked with EDIFECs rules studio to test the Java classes and exception codes.
• Implemented Caching using EH Cache to maintain data retrieved using data services.
• Worked with Map Builder to apply the business rules to the data transformation.
• Implemented Web services and generated WSDL files using RSA and used it on client applications.
• Used XML parser API such as JAXP (SAX) in the web service request response data marshalling as well as unmarshalling process. Also designed and developed 835, 837 Java crosswalk classes.
• Involved in developing the persistence layer using DAO’s and hibernate framework.

Environment: Java, J2EE, EJB, EA, Java Script, HTML, CSS, Eclipse, Oracle10g, Ant, SVN, Axis, SOAP, WSDL, Web services, Hibernate and BEA Web logic Server 10.1.

Sr. Software Developer

Confidential

Responsibilities:

• Development of business Process and control components using BPEL
• Designing and development of SCA, SDO, and Interfaces components for various modules
• Design and development of Services and MDB Beans on J2EE platform using WID.
• Binding EJB Services, Web Services with Process Components and Mediation modules.
• Developed Interfaces and mediation flows and wiring the process components with Services.
• Developed BPM which involves SEI file transfers, File Adapter, MQ Adapter and web services.
• Used BO mapping, XSLT mapping and interface mapping in various SCA modules for message transformations.
• Designed and developed Enterprise Applications using Service Oriented Architecture (SOA).
• Implemented RESTful Web services using JAX-RPC.

Technical Environment: Java, J2EE, WID, WPS, BPEL, ESB, Java, XML, XSLT, JMS, MDB, JCA Adapters, SOA, SCA, MQ, XML, Oracle10g, Hibernate, Ant, Axis, SOAP, WSDL and Web Services.

Sr. Java/ J2EE Developer

Confidential

Roles & Responsibilities:

• Analysis, redesign and development, testing, implementation, support of customization.
• GUI design and implementation using JSP, Struts/ MVC.
• Used MDB and MQ Service layer in Weblogic to process inbound/outbound messages.
• Implemented design patterns Delegate, Façade, Service, Controller, DTO and DAO
• Implemented JAXB parser to send the XML data to MQ.
• Writing script for generating EAR file and Deployment scripts.

Technical Environment: JDK 1.5, UNIX, Windows 2000/NT, Java, XML, XSLT, Web Services, TIBCO, EMS, JMS, MDB, Web logic 8.1, DB2 (UDB), Eclipse. MQ Series 5.3/6.0, WBIMB 5.x/6.x, Visio, UNIX and CVS.

Java/J2EE Developer

Confidential

Responsibilities:

• Developed GUI using JSP/JSTL, Struts-tiles.
• Developed server side EJB components using Web sphere Application developer (WSAD 5.1)
• Deployed J2EE applications on Web sphere Application Server (WAS 5.x).
• Followed Struts framework MVC architecture and developed Action Forms, Action Classes

Environment: Java, J2EE, Struts, EJB, Servlets, Eclipse, Ant, JMS, WAS, IBM MQ, Tomcat 4.0, DB2, and Oracle.

Java/J2EE Developer

Confidential

Responsibilities:

• Designed use case diagrams and sequence diagrams using Enterprise Architect 3.51.
• Designed the module using MVC, Data Access Object (DAO), Service Locator, and Session Façade Design Patterns and Proxy classes for JNDI look-ups for Remote and Local Objects and Value Object (VO).
• Used Session beans as facade and used DAO Session beans to access the Database.
• Developed Enterprise Java Beans (EJB) for various business transactions and Data persistence.

Technical Environment: Java, J2EE, XML, Swing, EA 3.51, Web Logic, Tomcat, MQ, JMS, DB2, PVCS.